Detect the gamemode on game
AI agents call detect-gamemode to retrieve information from Minecraft MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool queries the current gamemode setting (likely returning creative, survival, adventure, or spectator mode), which is a read-only information retrieval operation with no side effects, reversible actions, code execution, destructive capability, or financial impact. The minimal blast radius from misuse (an LLM knowing the gamemode) justifies a low severity rating.
From the tool's definition Tool name 'detect-gamemode' and description 'Detect the gamemode on game' indicate a query operation that retrieves the current game state without modifying or executing actions.
Attacks that exploit this kind of access
Detect the gamemode on game. It is categorised as a Read tool in the Minecraft MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Minecraft MCP Server MCP server in PolicyLayer and add a rule for detect-gamemode: allow, deny, rate-limit, or require approval. Point your MCP client at the PolicyLayer proxy URL and the rule is enforced on every call, before it reaches Minecraft MCP Server. Nothing to install.
detect-gamemode is a Read tool with low risk. Read-only tools are generally safe to allow by default.
Yes. Add a rate_limit block to the detect-gamemode rule in your PolicyLayer policy. For example, setting max: 10 and window: 60 limits the tool to 10 calls per minute. Rate limits are tracked per agent session and reset automatically.
Set action: deny in the PolicyLayer policy for detect-gamemode. The AI agent will receive a policy violation error and cannot call the tool. You can also include a reason field to explain why the tool is blocked.
detect-gamemode is provided by the Minecraft MCP Server MCP server (zeeweebee/mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Every MCP server has a record like this.
Type a name, get the same breakdown: verified identity, auth posture, risk grade, capabilities, recommended policy.
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